Raising venture capital for a physical-world company can feel harder than getting struck by lightning. You could be standing on a mountain for months, holding a metal pole in a storm, waiting. And you probably still wouldn’t get hit. Meanwhile, it can seem like founders in San Francisco announce a new AI round every other week. Capital moves quickly when you’re building software that rides the current hype cycle. If you’re building something that touches atoms instead of code, like manufactur...